Keystones — Bedrock
Five GCSE retrieval questions · 19 August 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 77 + 45
Answer: 77 + 45 = 122 -
2. Algebra Substitution
If x = 5, find the value of 2x + 6
Answer: 16 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:12
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 19, 3, 8, 5, 10
Answer: 9